If the cerebellum of a person is slightly damaged, which of the following will be impaired?
- A. vision
- B. Walking
- C. Breathing
- D. Digestion
In humans, which of the following pairs of hormones correspond to male and female respectively?
- A. Oestroqen and adrenalin
- B. Progesterone and testosterone
- C. Testosterone and oestrogen
- D. Adrenalin and progesterone
Which of the following organs in humans is responsible for the removal of excess water?
- A. The spleen
- B. The kidney
- C. Large intestine
- D. Small intestine
Adrenalin is considered as a hormone for “fright and flight” because it
- A. controls the fluid content of the body
- B. is used in protein metabolism
- C. plays a role in the pH balance of the body fluids
- D. prepares the body for action.
In which of the following processes in mammals is liquid passed from blood capillaries to Bowman‘s capsule?
- A. Filtration
- B. Diffusion
- C. Osmosis
- D. Reabsorption
The oxygen released during photosynthesis is obtained
- A. from the catalytic splitting of carbon-dioxide in plant tissues
- B. from the breakdown of glucose molecules in cells
- C. during the photolysis of water using energy trapped in chlorophyll
- D. by the excretion of excess oxygen in plant tissues
Which of the following does not occur during inhalation in mammals?
- A. Rib cage is raised up
- B. Diaphragm contracts and becomes dome shaped
- C. Inter-coastal muscle contracts
- D. Volume of the thoracic cavity increases.
Which of the following is used to measure the rate of water uptake in plants?
- A. Potometer
- B. Hydrometer
- C. Hygrometer
- D. aspirator
The function of the red blood cells is to
- A. engulf invading bacteria
- B. aid in protein formation
- C. transport oxygen to the cells
- D. control blood glucose level
Diffusion is most effective in living organisms, when the surface area is
- A. large and the thickness is also large
- B. small while the thickness is large
- C. large while the thickness is small
- D. the same as its thickness.
Which of the following will ease the friction between the ends of bones in a movable joint?
- A. Serum
- B. Tissue
- C. Blood plasma
- D. Synovial fluid.
The following are methods of measuring plant growth except
- A. determining the fresh and dry weights of the plant
- B. counting the number of fruits produced
- C. measuring the increase in height of the shoot
- D. measuring the length and breadth of a leaf.
Study the information below. Use it to answer question below
In an experiment to study the rate of water loss in plants, leaves of a potted plant were treated as follows:
I. Upper surface covered with Vaseline ll. Lower surface covered with Vaseline
III. Both surfaces covered with Vaseline IV. None of the leaf surfaces covered
Indicate in a descending order, the rate of water loss from the leaves
- A. I, II, III and IV
- B. II, I, III and IV
- C. III, II, I and IV
- D. IV, I, II and III
Which of the following definitions best describes excretion? The
- A. liberation of energy from food
- B. release of faeces from the body
- C. breakdown of food molecules
- D. removal of the waste products of metabolism.
Which of the following will cause wilting in plants?
- A. Humidity
- B. Coldness
- C. Adequate soil water
- D. Excessive transpiration
Which of the following represents the correct sequence, from the most complex of organisations?
- A. Mitochondrion, Muscle, Alimentary canal, Rabbit, Heart, Neurone
- B. Mitochondrion, Neurone, Muscle, Heart, Alimentary canal, Rabbit
- C. Alimentary canal, Neurone, Muscle, Heart, Rabbit. Mitochondrion
- D. Rabbit, Mitochondrion, Heart, Neurone, Alimentary canal, Muscle
Which of the following depicts the external features of a rat as mammal?
- A. Long intestine and tail
- B. Diaphragm and lungs
- C. Milk and sweat production
- D. Fur and whisker
Animal cells are different from plant cells because animal cells have
- A. definite cell wall
- B. large vacuole
- C. centrioles
- D. Chloroplast
Which part of part of plant cell contains cellulose?
- A. Vacuole
- B. Cytoplasm
- C. Cell wall
- D. Chloroplast
Which of the following organism has both plant and animal-like features
- A. Paramecium
- B. Euglena
- C. Amoeba
- D. Spirogyra
Which of the following characteristics differentiates a palisade cell from a liver cell? The possession of
- A. a cell wall and a cytoplasm
- B. a vacuole and a nucleus
- C. non-cell membrane and chloroplast
- D. a cell wall and chloroplast